*{
    padding: 0;
    margin: 0;

}
/*清除Edge浏览器与ie浏览器该死的样式*/
input[type="password"]::-ms-reveal {
    display: none !important;
}

input::-ms-clear {
    display: none !important;
}

/*删除文本框中的叉号*/
input::-ms-reveal {
    display: none !important;
}

/*删除密码框中的小眼睛*/
::-webkit-input-placeholder {
    display: none !important;
}

:-moz-placeholder {
    display: none !important;
}

::-moz-placeholder {
    display: none !important;
}

:-ms-input-placeholder {
    display: none !important;
}

html, body, #app{ height: 100%; margin: 0; padding: 0;}